A fire burns at the site of a CSX freight train derailment in White Marsh, Md., where fire officials say the train crashed into a trash truck, causing an explosion that rattled homes at least a half-mile away and collapsed nearby buildings, May 28, 2013.

A CSX freight train derailed Tuesday outside Baltimore after crashing into a trash truck, causing a large explosion and sending a giant plume of smoke into the air. Officials said toxic substances aboard the train were not burning after the crash.